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Introduction to the Rice Variety Shaonuo 9714
Characteristics: This variety is a japonica-type conventional glutinous rice. When grown as a single-season late rice in the middle and lower reaches of the Yangtze River, its average whole growth period is 147.7 days, 2.1 days later maturing than the control Xiushui 63. Plant height is 96 cm, the plant type is moderate, the plant is relatively short, the population is uniform, the flag leaves are upright, growth is vigorous, and color change at maturity is good. The number of effective panicles per mu is 197,000, panicle length is 19.4 cm, total grains per panicle is 113, seed-setting rate is 90.1%, and 1000-grain weight is 27.7 g. Resistance: rice blast grade 7, bacterial leaf blight grade 3, brown planthopper grade 9
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Introduction to the Characteristics of the Rice Variety Shaoxian No.1
Shaoxian No.1 (formerly named Shao 93-9) is a new medium-maturing, early-leaning early indica variety bred by the Shaoxing City Academy of Agricultural Sciences in Zhejiang Province through crossing Yueguo No.1 with Huilun 422, followed by backcrossing with Yueguo No.1. Characteristics: Shaoxian No.1 is medium-maturing and early-leaning, with a whole growth period 3 d earlier than the control variety Zhe 852; it has wide adaptability and is suitable for direct seeding or seedling-throwing light cultivation as early and late season rice in double-cropping rice areas of Zhejiang Province. It has medium tillering, a compact plant type, and strong cold tolerance, especially during the heading and flowering period when it can resist the influence of adverse climatic factors.
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Shennong 7 (formerly known as Shennong 9457 rice)
Characteristics: This variety is a conventional japonica-type rice variety. Grown in the early-maturing rice regions of Northeast and Northwest China, its whole growth period is 152.3 days, 7 days later maturing than the control Jiyujing. Plant height is 93.8 cm, total grains per panicle 73.1, seed setting rate 90.4%, and 1000-grain weight 26.2 g. Rice blast resistance grade 7. Main rice quality indicators: head rice rate 68.4%, chalky grain rate 12%, chalkiness degree 1.2%, gel consistency 85 mm, and amylose content 16.3%. Yield performance: In 2001, it participated in the Jiyujing group regional trial of the northern rice region
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Rice physiological red blight can be controlled with raw gypsum powder
Rice physiological red blight often occurs in cold-waterlogged mountain valley fields and in paddy fields where organic green manure has not fully decomposed. This disease mostly occurs at the tillering stage of rice, showing as very little tillering, leaves turning yellow-brown, and tea-brown irregular spots on the first and second leaves from the base; some mistake it for leaf blast. When the rice hills are pulled up, the root system is yellow-brown, and in severe cases black; the seedlings do not grow, commonly called "fa qiu". There are three main causes of physiological red blight: first, toxic substances such as hydrogen sulfide produced during the decomposition of green manure; second, some cold-waterlogged
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Introduction to the Characteristics of the Shengli Black Glutinous Rice Variety
This variety was developed by the Downhole Agriculture, Industry and Commerce Company of Shengli Oilfield and the Dongying City Seed Management Station through hybrid systematic selection and breeding, using China 91 as the female parent and Xiangxuenuo as the male parent. Characteristics: In the Yellow River Delta region, the growth period of this variety is about 165 days; plant height is about 1 m, plant type is compact, leaf color is dark green, and the flag leaf is relatively long and large; the tip of the coleoptile, ligule, leaf tip and internode below the panicle are all purple. As for panicle color, it is green at the beginning of heading, turns purple after grain filling, and the glume is light brown after maturity; panicle length is 2O-23 cm, grains per panicle are 110
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Detailed Introduction to the Rice Variety Shengtai 1
Shengtai 1 is a second-generation high-quality, super-high-yield, disease-resistant new variety bred by the Rice Research Institute of the Guangdong Academy of Agricultural Sciences through crossing the super-high-yield variety Shengyou 2 as the female parent with the Thai high-quality soft rice variety Taiyin 1. Characteristics: Shengtai 1 has thick, upright leaves of a jade-green color, early emergence and early growth in the early stage, green branches and waxy sheaths in the late stage, good ripening color, ideal stem and leaf morphology and structure, a well-developed root system, fast elongation speed, deep and extensive distribution, strong vigor, no premature senescence, strong fertilizer tolerance and lodging resistance, and a good response to increased fertilization. It has relatively strong stress resistance and disease resistance, and strong cold resistance at the seedling stage in the early crop;
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Detailed Explanation of Super-High-Yield Cultivation Techniques for Shengtai No. 1 Rice
Shengtai No. 1 is a super-high-yield, disease-resistant new variety bred by the Rice Research Institute of the Guangdong Academy of Agricultural Sciences. It passed crop variety approval in Guangdong Province and Shaanxi Province, and received the first-ever subsidy from the Ministry of Agriculture of the People's Republic of China for high-quality and special-purpose new varieties of major crops. When cultivated in Jieyang City, its full growth period is about 132 days for the early crop and about 122 days for the late crop, belonging to the medium-late maturity type suitable for both early and late seasons. Its stem and leaf morphology is coordinated and rational, with a well-developed deep root system, medium-strong tillering ability, good fertilizer tolerance and lodging resistance, suitable for planting in areas with medium or higher fertility, with obvious yield-increasing effects. The panicles are large and long, with dense grain setting, and the panicle-grain structure
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How to apply the three fertilizers well for rice? Detailed explanation of the key points of fertilization methods
Excessive vegetative growth of seedlings causes ineffective tillers to proliferate rapidly, leading to delayed maturity with excessive greenness; some seedlings grow so densely shaded that they trigger diseases such as sheath blight or rice blast. In paddy fields where fertilizer damage occurs, it causes yield reduction in mild cases and forces the seedlings to be plowed up and replanted in severe cases. To give full play to the fertilization effect on rice, in addition to applying sufficient base fertilizer, the "three fertilizers" must be applied well as topdressing, namely tillering fertilizer, panicle fertilizer and grain fertilizer. Rice fertilization should be considered comprehensively and applied flexibly according to variety characteristics, soil fertility, climate factors and cultivation conditions. The fertilizer demand of rice is expressed in the nutritional stage, the critical nutritional period and the period of maximum nutritional efficiency.
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What Is Improved Rice Seed? A Detailed Guide to Selecting Seed Varieties Adapted to Local Conditions
Improved rice seed has relatively stable, specific heredity, as well as relative biological, economic and morphological uniformity. In a specific region, under specific cultivation conditions and within a specific period, it meets production needs in terms of yield, maturity period, quality and adaptability. Besides possessing the basic qualifications of a variety, improved rice seed must also have advantages such as high and stable yield, excellent grain quality, disease resistance, insect resistance and strong stress resistance. A good rice seed should include 3 aspects: first, it must have high yield, high quality,
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What are the latest rice breeding technologies? A full analysis of the world's cutting-edge methods
Research on salt-tolerant rice breeding The aims of this research are: 1. To enable new salt-tolerant rice to adapt to cultivation in saline-alkali land. 2. To make full use of seawater irrigation when freshwater is scarce. Abroad, there have been reports of salt-tolerant crops such as tomato, melon and barley. Salt-tolerant rice bred by the University of Sussex in the UK can grow vigorously in the field, but the complexity of regulating salt content in the field must be recognized. Research on genetic engineering of salt-tolerant rice is quite active in the UK. Researchers insert genes from salt-tolerant rice into rice,
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